435 lines
20 KiB
PL/PgSQL
435 lines
20 KiB
PL/PgSQL
--
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-- TIMESTAMPTZ
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--
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CREATE TABLE TIMESTAMPTZ_TBL (d1 timestamp(2) with time zone);
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-- Test shorthand input values
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-- We can't just "select" the results since they aren't constants; test for
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-- equality instead. We can do that by running the test inside a transaction
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-- block, within which the value of 'now' shouldn't change. We also check
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-- that 'now' *does* change over a reasonable interval such as 100 msec.
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-- NOTE: it is possible for this part of the test to fail if the transaction
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-- block is entered exactly at local midnight; then 'now' and 'today' have
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-- the same values and the counts will come out different.
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('now');
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SELECT pg_sleep(0.1);
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BEGIN;
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('now');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('today');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('yesterday');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow EST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('tomorrow zulu');
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SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'today';
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SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'tomorrow';
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SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp with time zone 'yesterday';
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SELECT count(*) AS One FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp(2) with time zone 'now';
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COMMIT;
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DELETE FROM TIMESTAMPTZ_TBL;
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-- verify uniform transaction time within transaction block
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BEGIN;
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('now');
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SELECT pg_sleep(0.1);
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('now');
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SELECT pg_sleep(0.1);
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SELECT count(*) AS two FROM TIMESTAMPTZ_TBL WHERE d1 = timestamp(2) with time zone 'now';
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COMMIT;
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DELETE FROM TIMESTAMPTZ_TBL;
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-- Special values
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('-infinity');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('infinity');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('epoch');
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-- Obsolete special values
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('invalid');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('undefined');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('current');
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-- Postgres v6.0 standard output format
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST');
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-- Variations on Postgres v6.1 standard output format
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.999999 1997 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.4 1997 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.5 1997 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mon Feb 10 17:32:01.6 1997 PST');
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-- ISO 8601 format
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-01-02');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-01-02 03:04:05');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01-08');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01-0800');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01 -08:00');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 -0800');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-06-10 17:32:01 -07:00');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('2001-09-22T18:19:20');
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-- POSIX format (note that the timezone abbrev is just decoration here)
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 08:14:01 GMT+8');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 13:14:02 GMT-1');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 12:14:03 GMT-2');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 03:14:04 PST+8');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('2000-03-15 02:14:05 MST+7:00');
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-- Variations for acceptable input formats
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997 -0800');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 5:32PM 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997/02/10 17:32:01-0800');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-02-10 17:32:01 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb-10-1997 17:32:01 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('02-10-1997 17:32:01 PST');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 PST');
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set datestyle to ymd;
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('97FEB10 5:32:01PM UTC');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('97/02/10 17:32:01 UTC');
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reset datestyle;
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997.041 17:32:01 UTC');
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-- timestamps at different timezones
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970210 173201 America/New_York');
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SELECT '19970210 173201' AT TIME ZONE 'America/New_York';
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970710 173201 America/New_York');
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SELECT '19970710 173201' AT TIME ZONE 'America/New_York';
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('19970710 173201 America/Does_not_exist');
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SELECT '19970710 173201' AT TIME ZONE 'America/Does_not_exist';
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-- Daylight saving time for timestamps beyond 32-bit time_t range.
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SELECT '20500710 173201 Europe/Helsinki'::timestamptz; -- DST
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SELECT '20500110 173201 Europe/Helsinki'::timestamptz; -- non-DST
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SELECT '205000-07-10 17:32:01 Europe/Helsinki'::timestamptz; -- DST
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SELECT '205000-01-10 17:32:01 Europe/Helsinki'::timestamptz; -- non-DST
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-- Check date conversion and date arithmetic
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('1997-06-10 18:32:01 PDT');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 10 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 11 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 12 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 13 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 14 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 15 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0097 BC');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0097');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 0597');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1097');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1697');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1797');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1897');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 2097');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 28 17:32:01 1996');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 29 17:32:01 1996');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mar 01 17:32:01 1996');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 30 17:32:01 1996');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1996');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 28 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 29 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Mar 01 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 30 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1997');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 1999');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 2000');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Dec 31 17:32:01 2000');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Jan 01 17:32:01 2001');
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-- Currently unsupported syntax and ranges
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 -0097');
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INSERT INTO TIMESTAMPTZ_TBL VALUES ('Feb 16 17:32:01 5097 BC');
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-- Alternative field order that we've historically supported (sort of)
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-- with regular and POSIXy timezone specs
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SELECT 'Wed Jul 11 10:51:14 America/New_York 2001'::timestamptz;
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SELECT 'Wed Jul 11 10:51:14 GMT-4 2001'::timestamptz;
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SELECT 'Wed Jul 11 10:51:14 GMT+4 2001'::timestamptz;
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SELECT 'Wed Jul 11 10:51:14 PST-03:00 2001'::timestamptz;
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SELECT 'Wed Jul 11 10:51:14 PST+03:00 2001'::timestamptz;
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SELECT '' AS "64", d1 FROM TIMESTAMPTZ_TBL;
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-- Demonstrate functions and operators
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SELECT '' AS "48", d1 FROM TIMESTAMPTZ_TBL
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WHERE d1 > timestamp with time zone '1997-01-02';
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SELECT '' AS "15", d1 FROM TIMESTAMPTZ_TBL
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WHERE d1 < timestamp with time zone '1997-01-02';
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SELECT '' AS one, d1 FROM TIMESTAMPTZ_TBL
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WHERE d1 = timestamp with time zone '1997-01-02';
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SELECT '' AS "63", d1 FROM TIMESTAMPTZ_TBL
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WHERE d1 != timestamp with time zone '1997-01-02';
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SELECT '' AS "16", d1 FROM TIMESTAMPTZ_TBL
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WHERE d1 <= timestamp with time zone '1997-01-02';
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SELECT '' AS "49", d1 FROM TIMESTAMPTZ_TBL
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WHERE d1 >= timestamp with time zone '1997-01-02';
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SELECT '' AS "54", d1 - timestamp with time zone '1997-01-02' AS diff
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FROM TIMESTAMPTZ_TBL WHERE d1 BETWEEN '1902-01-01' AND '2038-01-01';
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SELECT '' AS date_trunc_week, date_trunc( 'week', timestamp with time zone '2004-02-29 15:44:17.71393' ) AS week_trunc;
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-- Test casting within a BETWEEN qualifier
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SELECT '' AS "54", d1 - timestamp with time zone '1997-01-02' AS diff
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FROM TIMESTAMPTZ_TBL
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WHERE d1 BETWEEN timestamp with time zone '1902-01-01' AND timestamp with time zone '2038-01-01';
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SELECT '' AS "54", d1 as timestamptz,
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date_part( 'year', d1) AS year, date_part( 'month', d1) AS month,
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date_part( 'day', d1) AS day, date_part( 'hour', d1) AS hour,
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date_part( 'minute', d1) AS minute, date_part( 'second', d1) AS second
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FROM TIMESTAMPTZ_TBL WHERE d1 BETWEEN '1902-01-01' AND '2038-01-01';
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SELECT '' AS "54", d1 as timestamptz,
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date_part( 'quarter', d1) AS quarter, date_part( 'msec', d1) AS msec,
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date_part( 'usec', d1) AS usec
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FROM TIMESTAMPTZ_TBL WHERE d1 BETWEEN '1902-01-01' AND '2038-01-01';
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SELECT '' AS "54", d1 as timestamptz,
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date_part( 'isoyear', d1) AS isoyear, date_part( 'week', d1) AS week,
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date_part( 'dow', d1) AS dow
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FROM TIMESTAMPTZ_TBL WHERE d1 BETWEEN '1902-01-01' AND '2038-01-01';
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-- TO_CHAR()
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SELECT '' AS to_char_1, to_char(d1, 'DAY Day day DY Dy dy MONTH Month month RM MON Mon mon')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_2, to_char(d1, 'FMDAY FMDay FMday FMMONTH FMMonth FMmonth FMRM')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_3, to_char(d1, 'Y,YYY YYYY YYY YY Y CC Q MM WW DDD DD D J')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_4, to_char(d1, 'FMY,YYY FMYYYY FMYYY FMYY FMY FMCC FMQ FMMM FMWW FMDDD FMDD FMD FMJ')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_5, to_char(d1, 'HH HH12 HH24 MI SS SSSS')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_6, to_char(d1, E'"HH:MI:SS is" HH:MI:SS "\\"text between quote marks\\""')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_7, to_char(d1, 'HH24--text--MI--text--SS')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_8, to_char(d1, 'YYYYTH YYYYth Jth')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_9, to_char(d1, 'YYYY A.D. YYYY a.d. YYYY bc HH:MI:SS P.M. HH:MI:SS p.m. HH:MI:SS pm')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_10, to_char(d1, 'IYYY IYY IY I IW IDDD ID')
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FROM TIMESTAMPTZ_TBL;
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SELECT '' AS to_char_11, to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID')
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FROM TIMESTAMPTZ_TBL;
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CREATE TABLE TIMESTAMPTZ_TST (a int , b timestamptz);
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-- Test year field value with len > 4
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INSERT INTO TIMESTAMPTZ_TST VALUES(1, 'Sat Mar 12 23:58:48 1000 IST');
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INSERT INTO TIMESTAMPTZ_TST VALUES(2, 'Sat Mar 12 23:58:48 10000 IST');
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INSERT INTO TIMESTAMPTZ_TST VALUES(3, 'Sat Mar 12 23:58:48 100000 IST');
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INSERT INTO TIMESTAMPTZ_TST VALUES(3, '10000 Mar 12 23:58:48 IST');
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INSERT INTO TIMESTAMPTZ_TST VALUES(4, '100000312 23:58:48 IST');
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INSERT INTO TIMESTAMPTZ_TST VALUES(4, '1000000312 23:58:48 IST');
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--Verify data
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SELECT * FROM TIMESTAMPTZ_TST ORDER BY a;
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--Cleanup
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DROP TABLE TIMESTAMPTZ_TST;
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-- test timestamptz constructors
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set TimeZone to 'America/Santiago';
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-- numeric timezone
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SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33);
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SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '+2');
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SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '-2');
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WITH tzs (tz) AS (VALUES
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('+1'), ('+1:'), ('+1:0'), ('+100'), ('+1:00'), ('+01:00'),
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('+10'), ('+1000'), ('+10:'), ('+10:0'), ('+10:00'), ('+10:00:'),
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('+10:00:1'), ('+10:00:01'),
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('+10:00:10'))
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SELECT make_timestamptz(2010, 2, 27, 3, 45, 00, tz), tz FROM tzs;
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-- these should fail
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SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '2');
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SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, '+16');
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SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, '-16');
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-- should be true
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SELECT make_timestamptz(1973, 07, 15, 08, 15, 55.33, '+2') = '1973-07-15 08:15:55.33+02'::timestamptz;
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-- full timezone names
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SELECT make_timestamptz(2014, 12, 10, 0, 0, 0, 'Europe/Prague') = timestamptz '2014-12-10 00:00:00 Europe/Prague';
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SELECT make_timestamptz(2014, 12, 10, 0, 0, 0, 'Europe/Prague') AT TIME ZONE 'UTC';
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SELECT make_timestamptz(1846, 12, 10, 0, 0, 0, 'Asia/Manila') AT TIME ZONE 'UTC';
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SELECT make_timestamptz(1881, 12, 10, 0, 0, 0, 'Europe/Paris') AT TIME ZONE 'UTC';
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SELECT make_timestamptz(1910, 12, 24, 0, 0, 0, 'Nehwon/Lankhmar');
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-- abbreviations
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SELECT make_timestamptz(2008, 12, 10, 10, 10, 10, 'CLST');
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SELECT make_timestamptz(2008, 12, 10, 10, 10, 10, 'CLT');
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SELECT make_timestamptz(2014, 12, 10, 10, 10, 10, 'PST8PDT');
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RESET TimeZone;
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--
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-- Test behavior with a dynamic (time-varying) timezone abbreviation.
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-- These tests rely on the knowledge that MSK (Europe/Moscow standard time)
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-- moved forwards in Mar 2011 and that VET (America/Caracas standard time)
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-- moved backwards in Dec 2007.
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--
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SET TimeZone to 'UTC';
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SELECT '2011-03-27 00:00:00 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 01:00:00 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 01:59:59 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 02:00:00 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 02:00:01 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 02:59:59 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 03:00:00 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 03:00:01 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 04:00:00 Europe/Moscow'::timestamptz;
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SELECT '2011-03-27 00:00:00 MSK'::timestamptz;
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SELECT '2011-03-27 01:00:00 MSK'::timestamptz;
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SELECT '2011-03-27 01:59:59 MSK'::timestamptz;
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SELECT '2011-03-27 02:00:00 MSK'::timestamptz;
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SELECT '2011-03-27 02:00:01 MSK'::timestamptz;
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SELECT '2011-03-27 02:59:59 MSK'::timestamptz;
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SELECT '2011-03-27 03:00:00 MSK'::timestamptz;
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SELECT '2011-03-27 03:00:01 MSK'::timestamptz;
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SELECT '2011-03-27 04:00:00 MSK'::timestamptz;
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SELECT '2007-12-09 02:00:00 America/Caracas'::timestamptz;
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SELECT '2007-12-09 02:29:59 America/Caracas'::timestamptz;
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SELECT '2007-12-09 02:30:00 America/Caracas'::timestamptz;
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SELECT '2007-12-09 02:30:01 America/Caracas'::timestamptz;
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SELECT '2007-12-09 02:59:59 America/Caracas'::timestamptz;
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SELECT '2007-12-09 03:00:00 America/Caracas'::timestamptz;
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SELECT '2007-12-09 03:00:01 America/Caracas'::timestamptz;
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SELECT '2007-12-09 04:00:00 America/Caracas'::timestamptz;
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SELECT '2007-12-09 02:00:00 VET'::timestamptz;
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SELECT '2007-12-09 02:29:59 VET'::timestamptz;
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SELECT '2007-12-09 02:30:00 VET'::timestamptz;
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SELECT '2007-12-09 02:30:01 VET'::timestamptz;
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SELECT '2007-12-09 02:59:59 VET'::timestamptz;
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SELECT '2007-12-09 03:00:00 VET'::timestamptz;
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SELECT '2007-12-09 03:00:01 VET'::timestamptz;
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SELECT '2007-12-09 04:00:00 VET'::timestamptz;
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SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
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SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'MSK';
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SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'MSK';
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SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'MSK';
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SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'MSK';
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SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'MSK';
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SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'MSK';
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SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'MSK';
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SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'MSK';
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SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'MSK';
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SELECT '2007-12-09 02:00:00'::timestamp AT TIME ZONE 'America/Caracas';
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SELECT '2007-12-09 02:29:59'::timestamp AT TIME ZONE 'America/Caracas';
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SELECT '2007-12-09 02:30:00'::timestamp AT TIME ZONE 'America/Caracas';
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SELECT '2007-12-09 02:30:01'::timestamp AT TIME ZONE 'America/Caracas';
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SELECT '2007-12-09 02:59:59'::timestamp AT TIME ZONE 'America/Caracas';
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SELECT '2007-12-09 03:00:00'::timestamp AT TIME ZONE 'America/Caracas';
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SELECT '2007-12-09 03:00:01'::timestamp AT TIME ZONE 'America/Caracas';
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SELECT '2007-12-09 04:00:00'::timestamp AT TIME ZONE 'America/Caracas';
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SELECT '2007-12-09 02:00:00'::timestamp AT TIME ZONE 'VET';
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SELECT '2007-12-09 02:29:59'::timestamp AT TIME ZONE 'VET';
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SELECT '2007-12-09 02:30:00'::timestamp AT TIME ZONE 'VET';
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SELECT '2007-12-09 02:30:01'::timestamp AT TIME ZONE 'VET';
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SELECT '2007-12-09 02:59:59'::timestamp AT TIME ZONE 'VET';
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SELECT '2007-12-09 03:00:00'::timestamp AT TIME ZONE 'VET';
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SELECT '2007-12-09 03:00:01'::timestamp AT TIME ZONE 'VET';
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SELECT '2007-12-09 04:00:00'::timestamp AT TIME ZONE 'VET';
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SELECT make_timestamptz(2007, 12, 9, 2, 0, 0, 'VET');
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SELECT make_timestamptz(2007, 12, 9, 3, 0, 0, 'VET');
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SET TimeZone to 'Europe/Moscow';
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SELECT '2011-03-26 21:00:00 UTC'::timestamptz;
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SELECT '2011-03-26 22:00:00 UTC'::timestamptz;
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SELECT '2011-03-26 22:59:59 UTC'::timestamptz;
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SELECT '2011-03-26 23:00:00 UTC'::timestamptz;
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SELECT '2011-03-26 23:00:01 UTC'::timestamptz;
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SELECT '2011-03-26 23:59:59 UTC'::timestamptz;
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SELECT '2011-03-27 00:00:00 UTC'::timestamptz;
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SET TimeZone to 'America/Caracas';
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SELECT '2007-12-09 06:00:00 UTC'::timestamptz;
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SELECT '2007-12-09 06:30:00 UTC'::timestamptz;
|
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SELECT '2007-12-09 06:59:59 UTC'::timestamptz;
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SELECT '2007-12-09 07:00:00 UTC'::timestamptz;
|
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SELECT '2007-12-09 07:00:01 UTC'::timestamptz;
|
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SELECT '2007-12-09 07:29:59 UTC'::timestamptz;
|
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SELECT '2007-12-09 07:30:00 UTC'::timestamptz;
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RESET TimeZone;
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SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
|
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SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
|
|
SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
|
|
SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
|
|
SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
|
|
SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
|
|
SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
|
|
|
|
SELECT '2007-12-09 06:00:00 UTC'::timestamptz AT TIME ZONE 'America/Caracas';
|
|
SELECT '2007-12-09 06:30:00 UTC'::timestamptz AT TIME ZONE 'America/Caracas';
|
|
SELECT '2007-12-09 06:59:59 UTC'::timestamptz AT TIME ZONE 'America/Caracas';
|
|
SELECT '2007-12-09 07:00:00 UTC'::timestamptz AT TIME ZONE 'America/Caracas';
|
|
SELECT '2007-12-09 07:00:01 UTC'::timestamptz AT TIME ZONE 'America/Caracas';
|
|
SELECT '2007-12-09 07:29:59 UTC'::timestamptz AT TIME ZONE 'America/Caracas';
|
|
SELECT '2007-12-09 07:30:00 UTC'::timestamptz AT TIME ZONE 'America/Caracas';
|
|
|
|
SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
|
|
SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
|
|
SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
|
|
SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
|
|
SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'MSK';
|
|
SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
|
|
SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
|
|
|
|
SELECT '2007-12-09 06:00:00 UTC'::timestamptz AT TIME ZONE 'VET';
|
|
SELECT '2007-12-09 06:30:00 UTC'::timestamptz AT TIME ZONE 'VET';
|
|
SELECT '2007-12-09 06:59:59 UTC'::timestamptz AT TIME ZONE 'VET';
|
|
SELECT '2007-12-09 07:00:00 UTC'::timestamptz AT TIME ZONE 'VET';
|
|
SELECT '2007-12-09 07:00:01 UTC'::timestamptz AT TIME ZONE 'VET';
|
|
SELECT '2007-12-09 07:29:59 UTC'::timestamptz AT TIME ZONE 'VET';
|
|
SELECT '2007-12-09 07:30:00 UTC'::timestamptz AT TIME ZONE 'VET';
|